Possible reasons include:
- Only devices running iOS version 16 and higher will receive a logo.
- Devices on iOS v16 to v18 only display logos when the phone is unlocked.
- Devices on iOS v18.1 and higher will show logos if the device is locked or unlocked.
- If the device is on the AT&T network, it can take 5 to 7 business days for the logos to display.
- iOS devices are currently not supported on the Verizon network.